Cap, Protective, Dust and Moisture5340-00-442-5490
NSN 5340-00-442-5490 · NIIN 004425490 · Part number 3993-1
Sun Test Systems B.v. · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE H2987
Government record, cited
NSN 5340-00-442-5490 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-442-5490. Manufacturer of record part number: 3993-1.
Also searched as5340-00-442-5490 ·
5340004425490 ·
NIIN 004425490 ·
00-442-5490 ·
FSC 5340 Hardware, Commercial · CAGE H2987 · 3993-1
The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-442-5490, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sun Test Systems B.v.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Cap,protective,dust and Moisture
FSC / FSG
5340 — Hardware, Commercial (FSG 53)
Manufacturers
Sun Test Systems B.v. (CAGE H2987)
Technical Specifications
Parameter
Value
NSN
5340-00-442-5490
Primary Part Number
3993-1
Item Name
Cap,protective,dust and Moisture
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Sun Test Systems B.v.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6680-01-092-409639931POSSIBLE MATCH
TRANSMITTER,LIQUID QUANTITY
Possible match (shared part number)Setra Systems, Inc. Dba Gems Sensors
4710-01-248-160939931POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Coventry Manufacturing Company, Inc. Dba Coventry Manufacturing Co Inc
5325-01-308-919739931POSSIBLE MATCH
INSERT,SCREW THREAD
Possible match (shared part number)Williams International Co., L.l.c.
5940-01-710-31243993-1POSSIBLE MATCH
ADAPTER,RADIO FREQUENCY CABLE
Possible match (shared part number)Coaxial Components Corp. Dba Coaxial Components Corp
NSN 5340-00-442-5490 is a Cap,protective,dust and Moisture, manufactured by Sun Test Systems B.v., classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-00-442-5490?
NSN 5340-00-442-5490 has 1 manufacturer part number on file: 3993-1 (Sun Test Systems B.v.).
What NSN replaces 5340-00-442-5490?
4 possible matches (shared part number, not a government interchangeability claim): 6680-01-092-4096, 4710-01-248-1609, 5325-01-308-9197. Verify interchangeability with system specifications before substitution.
Is NSN 5340-00-442-5490 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.